1: 100 percent Spectr. / H2 / Ru(CH3COO)2<(R)-BINAP> / ethanol; CH2Cl2 / 48 h / 24 °C / 3040 Torr 2: 81 percent / KOH, 80percent aq. NH2NH2 / ethane-1,2-diol / 20 h / 170 °C View Scheme

1: 100 percent Spectr. / H2 / Ru(CH3COO)2<(S)-BINAP> / ethanol; CH2Cl2 / 48 h / 24 °C / 3040 Torr 2: 81 percent / KOH, 80percent aq. NH2NH2 / ethane-1,2-diol / 20 h / 170 °C View Scheme

pyridine; lead(IV) acetate in benzene T=45°C; 3.5 h;